The PT02E-20-27P(025) from Amphenol Industrial Operations is box mount circular connector (MIL-DTL-26482 Series I), receptacle with male pins, 27 position, shell size-insert 20-27 and solder cup termination. This is connector with bayonet lock fastening and environmental (no clamp) endbell. The PT02E-20-27P(025) has copper alloy contacts with gold finish, neoprene insert and aluminum shell with black alloy (RoHS) finish. Operating temperature range is from -55°C to 125°C.